What is referred to by 'a popular isp'?

Based on the clue 'a popular grape used in making raisins is this va...', what is the answer? Based on the clue 'a popular health food this soybean curd is used to...', what is the answer? Based on the clue 'a popular housepet the birds seen here orignally c...', what is the answer? Based on the clue 'a popular incense comes from this word we hope not...', what is the answer? Based on the clue 'a popular jeopardy category or a childrens game wi...', what is the answer? Based on the clue 'a popular kids book tells the true story of this t...', what is the answer? Based on the clue 'a popular koan or meditation subject or zen buddhi...', what is the answer? Based on the clue 'a popular london scientist medical man by suicide...', what is the answer?